Explain the uses of non metals. (iv) Some non-metals are used as antiseptic. Without these elements life is not possible. are some examples of non-metals. USES OF METALS AND NON-METALS. Non-metals are used in crackers. Applications of Non - Metals: (i) The oxygen necessary for all living beings to survive is a non-metal. Conductor: Substance which allow heat and electricity to pass through it is called conductor. Some of the interesting uses of non-metals are: Here are lists of five metals and five nonmetals, an explanation of how you can tell them apart, and some examples of their uses. For non-metals; Most of the non-metals do not react with water but still, there are some non-metals which react a little in the air like phosphorus. Further more, carbon in the form of coal is used for generating heat energy for houses as well as factories. The Non-Metal elements are: Hydrogen. Electronegativity and ionization energy are between metals and non-metals. Most elements are metals, but quite a few are nonmetals.It's important to be able to distinguish between the different types of elements. Application of metals. are said to be non-metals. CBSE Class 8 Science, CBSE-Materials-metals and non-metals. Metals Iron is used for making automobiles, machinery, pipes, containers, nails, etc. These are generally used in making … Uses of some common metals and non-metals are as follows. Metals and non-metals are used widely in everyday life. Metal Main Uses; Iron: Bridges, Train tracks, Construction Bars, Steel, Engine Parts, Iron … Uses of Non-Metals in Daily Life Many of the non-metals are present in the air we breathe and many of them are present in dry atmospheric air we see around us in volume percentage. Physical properties of Non-metals: ... Non-metals are widely used in our daily life. Class 8 Science Chapter 4 Notes Important Terms. As opposed to metals, non-metallic elements are very brittle, and cannot be rolled into wires or pounded into sheets. (iii) Some non-metals are used for water-purification. Answer: Uses of non metals: Hydrogen and carbon are the essential constituents of the cells of all living beings. Gold and silver are used for making jewellery.Copper is used for making electrical wires, cooking utensils, etc. Non-metals are the elements in groups 14-16 of the periodic table. Phosphorus is essential for our bones and teeth. Non-metals are not able to conduct electricity or heat very well. Many non-metals like iodine, chlorine, sulphur are used in medicine. Materials: Metals and Non-Metals class 8 Notes Science. Non-Metals: Those materials which don’t possess the characteristics of metals such as lustrous, malleability, ductility etc. Mercury is used in thermometers and amalgams. Coal, sulfur, carbon etc. CBSE quick revision note for class-8 Science, Chemistry, Math’s, Biology and other subject are very helpful to revise the whole syllabus during exam days. It is usually kept in water to prevent an explosion. It is used in the form of boric acid and can be used a cleaning agent. Atom: An atom is the smallest particle of an element which cannot be further divided by any physical mean. USES OF SOME COMMON METALS. Zinc is mainly used as a protective coating for iron. Uses of Metalloids Boron (B) Boron is used in fireworks as it has the quality of changing colour into green when it is burnt. Class 8, 10: Science - Uses of Some Common Metals and Non-Metals Uses of Some Common Metals and Non-Metals. (v) Non-metals used in crackers. Materials: Metals and Non-Metals class 8 Notes Science. It is one of the most explosive metalloids. (ii) Some non-metals are used as fertilizers to enhance the growth of plants. 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